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loadstore1: Reduce metavalue warnings

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Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Paul Mackerras
2022-08-12 19:47:45 +10:00
parent a2d391dcae
commit 0279b923ba
1 changed files with 9 additions and 4 deletions
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13
loadstore1.vhdl
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@@ -199,9 +199,14 @@ architecture behave of loadstore1 is
return std_ulogic_vector is
variable longsel : std_ulogic_vector(15 downto 0);
begin
longsel := "00000000" & length_to_sel(size);
return std_ulogic_vector(shift_left(unsigned(longsel),
to_integer(unsigned(address))));
if is_X(address) then
longsel := (others => 'X');
return longsel;
else
longsel := "00000000" & length_to_sel(size);
return std_ulogic_vector(shift_left(unsigned(longsel),
to_integer(unsigned(address))));
end if;
end function xfer_data_sel;
-- 23-bit right shifter for DP -> SP float conversions
@@ -401,7 +406,7 @@ begin
variable addr_mask : std_ulogic_vector(2 downto 0);
begin
v := request_init;
sprn := std_ulogic_vector(to_unsigned(decode_spr_num(l_in.insn), 10));
sprn := l_in.insn(15 downto 11) & l_in.insn(20 downto 16);
v.valid := l_in.valid;
v.instr_tag := l_in.instr_tag;